JPH0369601U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a side view showing an embodiment of the present invention, Fig. 2 is a partial plan view of the previous figure, Figs. FIG. 2 is an explanatory diagram of a conventional example. T...Tray, F...Film, 12...Rotating belt, 14...Intake nozzle, 17...Cutting mechanism, 18...Pushing member, 19...Retraction roll,
22...Pinch roll.

Claims (1)

[Claims for Utility Model Registration] A pair of trays T, T... that are conveyed in tandem are covered with a continuously unrolled band-shaped film F, and both sides of the film are arranged in a V-shape. The rotating belts 12, 12 are used to squeeze the film onto the lower surface of the tray, and the film is overlapped in a palm-like manner, and the edges of both sides of the overlapped film are welded by a pair of seal rolls 13, 13. An intake nozzle 14 is arranged along the bottom surface of the tray, and a cutting mechanism 17 consisting of a lower cutting blade 15 and an upper reverse groove type guillotine 16 is arranged behind the seal roll facing the tray conveyance direction. In the packaging machine configured, a pull-in roll 19 whose axis intersects the tray transport direction and rotates in the same direction as the film movement direction is provided between the seal roll and the cutting mechanism, and a clamping roll is provided on the rear surface of the pull-in roll. 22 is pressed by the elasticity of a spring 23, and a pushing member 18 is provided on the guillotine so as to be located between the drawing roll and the clamping roll. The clamping roll 22 in the first claim is the shaft 20
A cam portion 31 is provided at the upper end of the bell crank 21 which can swing with the guillotine 16 as a fulcrum, and a cam portion 31 is formed at the open end of the lower end of the bell crank. A film end shrinking device in a degassing packaging machine located on the 31 side.